2019724144

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{921407}}^1$

素因数の和:921552

約数の個数: 20

約数和(自身を含む): 3941783424

約数和(自身を除く): 1922059280

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 921407, 1842814, 3685628, 7371256, 14742512, 126232759, 252465518, 504931036, 1009862072, 2019724144]

約数ペア:

[(1, 2019724144), (2, 1009862072), (4, 504931036), (8, 252465518), (16, 126232759), (137, 14742512), (274, 7371256), (548, 3685628), (1096, 1842814), (2192, 921407)]